public class wo {
    public static class w extends Person{

        Person p=new Person();

        public void go(){
            System.out.println(22);
        }

        public String toString() {
            return "w{" +
                    "name='" + name + '\'' +
                    ", a=" + a +
                    '}';
        }
    }

    public static void main(String[] args) {
        w l=new w();
        l.go();
    }
}
